Optimized by polymlp.lammps
   1.00000000000000
   5.465854794486412  0.000000000000000  0.000000000000000
   0.000000000000000  5.465854794486412  0.000000000000000
   0.000000000000000  0.000000000000000  5.465854794486412
   Si
     8
Direct
  0.2500000000000000  0.2500000000000000  0.2500000000000000
  0.0000000000000000  0.0000000000000000  0.0000000000000000
  0.2500000000000000  0.7500000000000000  0.7500000000000000
  0.0000000000000000  0.5000000000000000  0.5000000000000000
  0.7500000000000000  0.2500000000000000  0.7500000000000000
  0.5000000000000000  0.0000000000000000  0.5000000000000000
  0.7500000000000000  0.7500000000000000  0.2500000000000000
  0.5000000000000000  0.5000000000000000  0.0000000000000000
